AD 98-18-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schempp-Hirth Flugzeugbau | Cirrus | Airworthiness Directives; Schempp-Hirth K.G. Model Cirrus Sailplanes |
Unsafe Condition
The threaded bolt welded to the connecting rod between the airbrake bellcranks could break, resulting in loss of airbrake control with a possible reduction/loss of sailplane control.
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Required Actions
Modify or replace the connecting rod between the airbrake bellcranks and replace the existing 6 mm bolt with an 8 mm bolt in accordance with Schempp-Hirth Technical Note No. 265-8 dated February 11, 1985.
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Compliance Time
Within the next 4 calendar months after the effective date of this AD, unless already accomplished.
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Affected Aircraft
Schempp-Hirth K.G. Model Cirrus sailplanes, serial numbers 1 through 50, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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